A magnitude Md 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4850, 15.5060 at 88 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.7 |
1990-01-21 03:37:40 |
38.485 | 15.506 | 88 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 108319 |
Field | Value |
---|---|
Time (UTC) | 1990-01-21 03:37:40 ± 0.569 |
Latitude | 38.4850 ± 0.0248 |
Longitude | 15.5060 ± 0.0367 |
Depth (km) | 88 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 108319 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4222.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01481 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 108319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:40:50 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 108319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MGR.Z. | 1990-01-21T03:38:28.31 | 10.0 | undecidable | manual | S | 1 | 1.6428 | -0.06 | 0.3 | |
--.GRI.Z. | 1990-01-21T03:38:08.39 | 10.0 | undecidable | manual | S | 64 | 0.777 | -1.98 | 0 | |
--.SOI.Z. | 1990-01-21T03:38:07.71 | 10.0 | undecidable | manual | S | 133 | 0.5883 | 0.64 | 0.3 | |
--.MGR.Z. | 1990-01-21T03:38:07.41 | 10.0 | positive | manual | P | 1 | 1.6428 | -0.63 | 0.8 | |
--.MO9.Z. | 1990-01-21T03:38:05.63 | 10.0 | undecidable | manual | S | 162 | 0.4995 | -0.09 | 0.4 | |
--.ROI.Z. | 1990-01-21T03:38:05.18 | 10.0 | undecidable | manual | P | 36 | 1.3542 | 0.81 | 0.3 | |
--.GMB.Z. | 1990-01-21T03:38:04.34 | 10.0 | undecidable | manual | S | 141 | 0.3996 | -0.08 | 0.7 | |
--.CSI.Z. | 1990-01-21T03:38:04.42 | 10.0 | undecidable | manual | P | 24 | 1.4319 | -0.85 | 0.2 | |
--.ATN.Z. | 1990-01-21T03:38:03.83 | 10.0 | undecidable | manual | S | 185 | 0.3219 | 0.26 | 0.4 | |
--.SC9.Z. | 1990-01-21T03:38:02.83 | 10.0 | undecidable | manual | S | 144 | 0.2775 | -0.29 | 0.4 | |
--.SE2.Z. | 1990-01-21T03:38:01.88 | 10.0 | undecidable | manual | P | 60 | 1.0767 | 0.94 | 0.4 | |
--.CZI.Z. | 1990-01-21T03:37:58.62 | 10.0 | positive | manual | P | 33 | 0.8769 | -0.02 | 2.1 | |
--.PA2.Z. | 1990-01-21T03:37:57.12 | 10.0 | positive | manual | P | 90 | 0.7326 | 0.01 | 1.1 | |
--.GRI.Z. | 1990-01-21T03:37:57.22 | 10.0 | undecidable | manual | P | 64 | 0.777 | -0.43 | 0.8 | |
--.FE2.Z. | 1990-01-21T03:37:55.96 | 10.0 | negative | manual | P | 134 | 0.6327 | -0.18 | 2.1 | |
--.SOI.Z. | 1990-01-21T03:37:55.30 | 10.0 | negative | manual | P | 133 | 0.5883 | -0.45 | 1.5 | |
--.SA1.Z. | 1990-01-21T03:37:55.59 | 10.0 | negative | manual | P | 278 | 0.5328 | 0.39 | 1.7 | |
--.MO9.Z. | 1990-01-21T03:37:54.75 | 10.0 | negative | manual | P | 162 | 0.4995 | -0.22 | 2.1 | |
--.GMB.Z. | 1990-01-21T03:37:54.78 | 10.0 | negative | manual | P | 141 | 0.3996 | 0.56 | 1.4 | |
--.DR2.Z. | 1990-01-21T03:37:54.62 | 10.0 | positive | manual | P | 64 | 0.3663 | 0.64 | 1.2 | |
--.GA2.Z. | 1990-01-21T03:37:54.46 | 10.0 | negative | manual | P | 141 | 0.3996 | 0.24 | 2.1 | |
--.ATN.Z. | 1990-01-21T03:37:53.24 | 10.0 | negative | manual | P | 185 | 0.3219 | -0.48 | 1.5 | |
--.SC9.Z. | 1990-01-21T03:37:53.33 | 10.0 | undecidable | manual | P | 144 | 0.2775 | -0.13 | 1.1 |